CN220719394U

CN220719394U - Shaft lock folding knife

Info

Publication number: CN220719394U
Application number: CN202322100887.9U
Authority: CN
Inventors: 梁刚
Original assignee: Guangxi Ruike Outdoor Tools Manufacturing Co ltd
Current assignee: Guangxi Ruike Outdoor Tools Manufacturing Co ltd
Priority date: 2023-08-07
Filing date: 2023-08-07
Publication date: 2024-04-05
Anticipated expiration: 2033-08-07

Abstract

The utility model relates to the technical field of cutters, and particularly discloses a shaft lock folding knife which comprises a knife blade, a knife handle, a shaft lock structure and a lining, wherein one end of the knife blade is provided with a connecting end which is rotatably connected with the front end of the knife handle, the connecting end is provided with an opening locking surface, a closing locking surface, an abutting part and a push-type knife nail, the shaft lock structure is in sliding fit with the knife handle, the shaft lock structure can be matched with the opening locking surface and the closing locking surface to lock the knife blade in a fully opened state or a fully closed state, the lining is fixedly arranged at the front end of the knife handle, an opening stop position is arranged on the lining, and when the opening stop position abuts against the abutting part, or the push-type knife nail abuts against the edge of the knife handle, the rotation of the knife blade can be limited. The shaft lock folding knife has the advantages of simple structure, reduced production cost, simple processing technology and convenience for processing and production, and adopts the lining which is integrally bent and formed.

Description

Shaft lock folding knife

Technical Field

The utility model relates to the technical field of cutters, in particular to a shaft lock folding knife.

Background

The folding knife has the characteristics of convenience in carrying, strong practicability and the like, and is one of the tools frequently used in life of people. The locking modes of the folding knife currently comprise five modes of back lock, line lock, integral lock, shaft lock structure and bolt lock, each locking mode has the characteristics of the locking mode, and the locking mode has various corresponding safety mechanism designs. The existing folding knives in the line lock mode are mostly in a split mode, and accessories such as limiting pins and spacing pieces of blades are additionally arranged, so that the folding knives in the line lock mode are more in accessories and higher in manufacturing cost.

Disclosure of Invention

The utility model aims to at least solve one of the technical problems, and provides a shaft locking folding knife which has simple structure and low manufacturing cost.

In order to achieve the above purpose, the technical scheme adopted by the utility model is as follows: the utility model provides a shaft lock folding knife, including the blade, the handle of a knife, shaft lock structure and facing, the one end of blade has the link of rotatable coupling with the handle of a knife front end, the link is provided with opens the locking surface, close the locking surface, butt portion and push away the sword nail, shaft lock structure and handle of a knife sliding fit, and shaft lock structure can cooperate and open locking surface and close the locking surface, with the blade locking in the state of opening completely or the state of closing completely, facing fixed mounting is at the front end of handle of a knife, and be provided with on the facing and open the position, when opening position and butt portion butt, perhaps push away the sword nail and the edge butt of handle of a knife when can spacing the rotation of blade.

Preferably, the handle includes a first handle and a second handle disposed parallel to each other, and a gap between the first handle and the second handle configured for mounting the blade.

Preferably, one end of the first knife handle is fixedly connected with one end of the second knife handle through a lining, and the other end of the first knife handle is fixedly connected with the other end of the second knife handle through a spacing piece.

Preferably, the lining comprises a first lining surface and a second lining surface which are arranged in parallel, and a connecting part which is connected with the upper ends of the first lining surface and the second lining surface, and the first lining surface and the second lining surface are respectively and fixedly connected with the first knife handle and the second knife handle.

Preferably, the first lining surface, the second lining surface and the connecting part are integrally bent and formed.

Preferably, the surfaces of the first knife handle and the second knife handle facing each other are respectively provided with a first limiting concave surface and a second limiting concave surface, and the first lining surface and the second lining surface are respectively clamped in the first limiting concave surface and the second limiting concave surface and are fixed through screws.

Preferably, the handle is provided with a chute, the shaft lock structure comprises a shaft body and a spring, the shaft body is in sliding fit with the chute, pushing parts protruding out of the surface of the handle are respectively arranged at two ends of the shaft body, one end of the spring is connected with the handle, the other end of the spring is connected with the shaft body, and the shaft body can keep a state matched with the opening locking surface or the closing locking surface under the action of elastic force of the spring.

Preferably, the handle is provided with a clip.

Preferably, the front ends of the first knife handle and the second knife handle are fixedly provided with a pin shaft, two limiting sheets which are arranged in parallel are embedded on the pin shaft, and the connecting end is rotatably arranged between the two limiting sheets.

The beneficial effects are that: compared with the prior art, the axial lock folding knife has the advantages that the lining is arranged, the opening stop is arranged on the lining, the abutting part on the knife blade can abut against the opening stop to limit the opening of the knife blade during opening, and the push-type knife nail on the knife blade can abut against the edge of the knife handle to limit the closing of the knife blade during closing, so that the knife blade accurately rotates to a completely opened or completely closed state.

Drawings

The utility model is described in further detail below with reference to the attached drawing figures, wherein:

FIG. 1 is a schematic view of a push button lock folding knife in a fully opened state according to the present utility model;

FIG. 2 is a schematic view showing the structure of a folding knife with a push button lock in a fully closed state according to the present utility model;

FIG. 3 is a schematic view of the folding knife according to the present utility model after the first handle is removed in a fully closed state;

FIG. 4 is a schematic structural view of a liner;

FIG. 5 is a schematic view of the structure of a blade;

FIG. 6 is a schematic view of the structure of the first tool shank;

fig. 7 is a schematic structural view of a second handle.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

It will be understood that when an element is referred to as being "fixed to" another element, it can be directly on the other element or intervening elements may also be present. When a component is considered to be "connected" to another component, it can be directly connected to the other component or intervening components may also be present. When an element is referred to as being "disposed on" another element, it can be directly on the other element or intervening elements may also be present, as well as being disposed not only in an intermediate position but also in both ends as far as they are within the scope defined by the intermediate position. The terms "vertical," "horizontal," "left," "right," and the like are used herein for illustrative purposes only.

Unless defined otherwise, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this utility model belongs. The terminology used herein in the description of the utility model is for the purpose of describing particular embodiments only and is not intended to be limiting of the utility model. The term "and/or" as used herein includes any and all combinations of one or more of the associated listed items.

As shown in fig. 1 to 7, the application discloses a shaft lock folding knife, including blade 1, handle of a knife, shaft lock structure 2 and facing 3, the one end of blade 1 has the link 4 with handle of a knife front end rotatable coupling, link 4 is provided with opens locking surface 6, close locking surface 7, butt portion 22 and push away knife nail 5, shaft lock structure 2 and handle of a knife sliding fit, and shaft lock structure 2 can cooperate to open locking surface 6 and close locking surface 7, in order to lock blade 1 in the state of fully opening or the state of fully closing, facing 3 fixed mounting is at the front end of handle of a knife, and be provided with on the facing 3 and open stop 8. Specifically, when the blade 1 rotates forward to open, the forward rotation of the blade 1 can be limited by abutting the abutting part 22 against the opening stop 8, and when the blade 1 rotates reversely to close, the reverse rotation of the blade 1 can be limited by abutting the push pin 5 against the edge of the knife handle. Meanwhile, by arranging the push-type knife nail 5, the push-type knife nail 5 is convenient for pushing the knife blade 1 to rotate relative to the knife handle, and preferably, the push-type knife nail 5 can be fixedly arranged on the knife blade 1 in a threaded connection manner

The utility model provides a shaft lock folding knife is through being provided with facing 3 to set up on facing 3 and open stop 8, when opening the sword, butt portion 22 on blade 1 can the butt open stop 8, with spacing to opening of blade 1, when closing the sword, push away the sword nail 5 on the blade 1 can with the edge butt of handle of a knife, with spacing to closing of blade 1, thereby make the accurate rotation of blade 1 open to the state of closing completely or completely, compare with current button lock structure folding knife, need not to set up spacing post and carry out spacing to the rotation of blade 1, and a structure is simple, and manufacturing cost is reduced.

In a specific embodiment, the tool shanks may comprise a first tool shank 10 and a second tool shank 11 arranged parallel to each other, a gap between the first tool shank 10 and the second tool shank 11 being configured for mounting the blade 1, such that the blade 1 is fully foldable into the gap when closed. And the push broach nail 5 can be abutted with the edge of the first knife handle 10, so that the reverse rotation of the blade 1 is limited.

Specifically, the front ends of the first tool handle 10 and the second tool handle 11 can be fixedly connected through the lining 3, the rear ends of the first tool handle 10 and the second tool handle 11 are fixedly connected through the spacing piece 12, and the lining 3 and the spacing piece 12 can respectively play a role in fixing the front end and the rear end of the first tool handle 10 and the rear end of the second tool handle 11 so as to improve the connection stability of the first tool handle 10 and the second tool handle 11 and further improve the structural strength of the tool handles.

Further, the lining 3 may include a first facing 13 and a second facing 14 disposed parallel to each other, and a connecting portion 15 connecting upper ends of the first facing 13 and the second facing 14, where the first facing 13 and the second facing 14 are disposed in a flat plate shape, and the first facing 13 and the second facing 14 can be fixedly connected to the first tool handle 10 and the second tool handle 11, respectively, so as to improve stability of connection among the lining 3, the first tool handle 10, and the second tool handle 11. Preferably, the first facing 13, the second facing 14 and the connecting portion 15 may be integrally formed by bending a metal plate material, so as to facilitate the production and processing of the lining 3.

Further, the surfaces of the first tool handle 10 and the second tool handle 11 facing each other may be provided with a first limit concave surface 16 and a second limit concave surface 17, the first limit concave surface 16 and the second limit concave surface 17 are respectively matched with the shapes of the first lining surface 13 and the second lining surface 14, the depth of the first limit concave surface 16 and the depth of the second limit concave surface 17 are respectively the same as the thickness of the first lining surface 13 and the thickness of the second lining surface 14, when the lining 3 is installed, the first lining surface 13 and the second lining surface 14 are respectively clamped in the first limit concave surface 16 and the second limit concave surface 17, the surfaces of the first lining surface 13 and the second lining surface 14 are respectively flush with the surfaces of the first tool handle 10 and the second tool handle 11, and then the first lining surface 13 and the second lining surface 14 are respectively fixed on the first tool handle 10 and the second tool handle 11 through screws, so that the fixed installation of the lining 3 is realized, the installation is convenient, and the installation stability is high.

In another specific embodiment of the present application, the handle is provided with a chute 18, the shaft lock structure 2 includes a shaft body 19 and a spring 20, the shaft body 19 is slidably matched with the chute 18, two ends of the shaft body 19 are respectively provided with a pushing portion 21 protruding out of the surface of the handle, one end of the spring 20 is connected with the handle, the other end is connected with the shaft body 19, and under the action of the elastic force of the spring 20, the shaft body 19 can keep a state of being matched with the opening locking surface 6 or the closing locking surface 7. Specifically, the sliding grooves 18 are formed in the first tool handle 10 and the second tool handle 11, two ends of the shaft body 19 are respectively in sliding fit with the sliding grooves 18, in order to facilitate installation of the shaft body 19, a clearance gap 33 through which the shaft body 19 passes is formed in the first lining surface 13 and the second lining surface 14 of the lining 3, limiting pieces 34 are further arranged at two ends of the shaft body 19, the two limiting pieces 34 can be respectively abutted to surfaces of the first lining surface 13 and the second lining surface 14, which are opposite to each other, so that the shaft body 19 moves axially, the shaft body 19 is limited, the shaft body 19 is prevented from being separated from the sliding grooves 18, an operator can conveniently push the shaft body 19 to move towards or away from the connecting end 4, when the shaft body 19 moves towards the connecting end 4, the shaft body 19 can be abutted to open the locking surface 6 or the closing locking surface 7 in a matched mode, the blade 1 can not rotate, when the shaft body 19 moves towards the connecting end 4, the shaft body 19 can be separated from the locking surface 6 or the locking surface 7, the shaft body 1 can be locked on the opening surface of the blade 1 or the blade 1 in a fully-closed state in a clamped mode, the other end can be opened, and the spring can be stably locked under the condition of the opening the blade 1 or the locking surface can be kept under the action of the locking surface, and the action of the locking surface is guaranteed, and the opening of the shaft body 1 can be stably locked under the condition, and the opening of the locking surface can be locked by the locking the opening surface or the locking surface is kept under the locking surface or the locking surface, and the opening surface 1.

In a preferred embodiment, the handle may be provided with a clasp 24 to facilitate the carrying of the tool. Preferably, the inner side surfaces of the first tool handle 10 and the second tool handle 11 can be provided with a clamping groove 31, the clamping buckle 24 is provided with an installation part matched with the clamping groove 31 in a clamping way, the spacing piece 12 can be fastened on the tool handle through a screw lock, and after the spacing piece 12 is fixed, the installation part can be pressed and fixed in the clamping groove 31, so that the installation stability of the clamping buckle 24 is improved.

In a more preferred embodiment, the front ends of the first tool handle 10 and the second tool handle 11 can be fixedly provided with a pin shaft 25, the pin shaft 25 is fixedly arranged between the first tool handle 10 and the second tool handle 11 through a screw, two limiting plates 26 which are arranged in parallel are embedded on the pin shaft 25, the connecting end 4 is rotatably arranged between the two limiting plates 26, and the connecting end 4 can be limited by the limiting plates 26 along the axial direction of the pin shaft 25, so that the shaking of the blade 1 in the use process is reduced, and the installation stability of the blade 1 is improved.

When the button lock folding knife needs to be opened, the pushing part 21 of the shaft body 19 can be driven by a thumb to enable the shaft body 19 to move back to the connecting end 4, so that the shaft body 19 can be separated from the closed locking surface 7, then the push-push nail 5 is pushed to drive the blade 1 to rotate positively, the shaft body 19 moves along the arc-shaped guide part 32 at the edge of the connecting end 4, when the blade 1 rotates to the abutting part 22 to abut against the opening stop position 8, the opening stop position 8 limits the forward rotation of the blade 1, and simultaneously under the elastic force of the spring 20, the shaft body 19 can move towards the opening locking surface 6, and the shaft body 19 can keep an abutting state with the opening locking surface 6, so that the reverse rotation of the blade 1 is limited, and the stable opening state of the blade 1 is kept; when the blade 1 needs to be folded, the pushing part 21 of the shaft body 19 can be driven by the thumb to move the shaft body 19 back to the connecting end 4, so that the shaft body 19 is separated from the opening locking surface 6, then the blade 1 is driven to reversely rotate, the shaft body 19 moves along the arc-shaped guide part 32 at the edge of the connecting end 4, when the blade 1 rotates until the push broach 5 abuts against the edge of the first knife handle 10, the reverse rotation of the blade 1 can be limited, and under the action of the elasticity of the spring 20, the shaft body 19 can move towards the connecting end 4 and abut against the closing locking surface 7, so that the forward rotation of the blade 1 is limited, and the stable closing state of the blade 1 is maintained.

The above embodiments are only for illustrating the technical solution of the present utility model and not for limiting the same, and any modifications or equivalent substitutions without departing from the spirit and scope of the present utility model should be covered in the scope of the technical solution of the present utility model.

Claims

1. The utility model provides a shaft lock folding knife, a serial communication port, including blade (1), the handle of a knife, shaft lock structure (2) and facing (3), the one end of blade (1) has link (4) rotatable coupling with the handle of a knife front end, link (4) are provided with and open locking face (6), closed locking face (7), butt portion (22) and push away broach nail (5), shaft lock structure (2) and handle of a knife sliding fit, and shaft lock structure (2) can cooperate and open locking face (6) and closed locking face (7), with the state of locking blade (1) at the state of fully opening or fully closing, facing (3) fixed mounting is at the front end of handle of a knife, and be provided with on facing (3) and open stop (8), when opening stop (8) and butt portion (22), or push away broach nail (5) and the marginal butt of handle of a knife, can carry out spacing to the rotation of blade (1).

2. The axilock folding knife according to claim 1, characterized in that the knife handle comprises a first knife handle (10) and a second knife handle (11) arranged in parallel to each other, a gap between the first knife handle (10) and the second knife handle (11) being configured for mounting the blade (1).

3. The shaft-locking folding knife according to claim 2, characterized in that one end of the first knife handle (10) and one end of the second knife handle (11) are fixedly connected through a lining (3), and the other end is fixedly connected through a spacing piece (12).

4. A shaft lock folding knife according to claim 3, characterized in that the lining (3) comprises a first facing (13) and a second facing (14) arranged in parallel with each other, and a connecting part (15) connecting the upper ends of the first facing (13) and the second facing (14), the first facing (13) and the second facing (14) being fixedly connected to the first handle (10) and the second handle (11), respectively.

5. The shaft lock folding knife according to claim 4, wherein the first facing surface (13), the second facing surface (14) and the connecting portion (15) are integrally bent and formed.

6. The shaft lock folding knife according to claim 4, wherein the surfaces of the first knife handle (10) and the second knife handle (11) facing each other are respectively provided with a first limit concave surface (16) and a second limit concave surface (17), and the first lining surface (13) and the second lining surface (14) are respectively clamped in the first limit concave surface (16) and the second limit concave surface (17) and are fixed by screws.

7. The shaft lock folding knife according to claim 1, wherein the knife handle is provided with a sliding groove (18), the shaft lock structure (2) comprises a shaft body (19) and a spring (20), the shaft body (19) is in sliding fit with the sliding groove (18), pushing parts (21) protruding out of the surface of the knife handle are respectively arranged at two ends of the shaft body (19), one end of the spring (20) is connected with the handle, the other end of the spring (20) is connected with the shaft body (19), and under the elastic action of the spring (20), the shaft body (19) can be kept in a state of being matched with the opening locking surface (6) or the closing locking surface (7).

8. The shaft lock folding knife according to claim 1, characterized in that the handle is provided with a clip (24).

9. The shaft lock folding knife according to claim 2, wherein the front ends of the first knife handle (10) and the second knife handle (11) are fixedly provided with a pin shaft (25), two limiting sheets (26) which are arranged in parallel are embedded on the pin shaft (25), and the connecting end (4) is rotatably arranged between the two limiting sheets (26).